Table 2. Test–retest reliability of ChIMES total and percentage scores measured on Days 13 and 14a.

Respondent type	ChIMES total score r (P-value)	ChIMES percentage Score r (P-value)
Parent proxy report
Report no change, n=53	0.967 (<0.0001)	0.968 (<0.0001)
All, n=98	0.941 (<0.0001)	0.942 (<0.0001)
Child self-report aged 12–18 years
Report no change, n=33	0.894 (<0.0001)	0.888 (<0.0001)
All, n=66	0.854 (<0.0001)	0.852 (<0.0001)
Child self–report aged 8 to <12 years
Report no change, n=10	1.000 (<0.0001)	1.000 (<0.0001)
All, n=21	0.902 (<0.0001)	0.902 (<0.0001)

Abbreviation: ChIMES=Children's International Mucositis Evaluation Scale.

^aTable represents Spearman's correlation coefficients with P values in parentheses for ChIMES total and percentage scores measured on 2 consecutive days (Days 13 and 14). Results are presented for those who indicated no change in mucositis between Days 13 and 14 and all respondents.